Plus 2 Lecturer Mixed Practice Test #528

Question 1

Largest producer of banana:

Accepted Answer

India — India.

Answer

Philippines

Answer

Ecuador

Answer

Brazil

Question 2

Cyclotron frequency of charged particle in B:‌​‍

Accepted Answer

f = qB/(2πm) — Independent of velocity (non-relativistic). ‌​‍Used to accelerate charged particles.

Answer

f = qBv

Answer

f = m/qB

Answer

f = B

Question 3

Cancer cells differ from normal because:‌​‍

Accepted Answer

Uncontrolled division (lack contact inhibition) — Metastasis — spread to distant sites. ‌​‍Proto-oncogenes (normal) mutate to oncogenes. Tumour suppressor genes (p53, Rb).

Answer

Faster death

Answer

No difference

Answer

Smaller

Question 4

The Intergovernmental Panel on Climate Change (IPCC) is crucial for understanding global climate change. Which of the following actions is NOT a primary function of the IPCC?

Accepted Answer

B. Developing specific policy recommendations for national governments to reduce emissions. — The IPCC's role is to assess and synthesize scientific information related to climate change, its impacts, and potential response options. It provides policy-relevant information to governments but explicitly refrains from prescribing specific policies or making recommendations to individual nations, as policy decisions are the prerogative of sovereign states. Options A, C, and D accurately describe core functions of the IPCC's assessment process.

Answer

A. Providing comprehensive assessments of the scientific basis of climate change.

Answer

C. Assessing the impacts of climate change and options for adaptation and mitigation.

Answer

D. Reviewing and synthesizing thousands of peer-reviewed scientific publications.

Question 5

FACT Udyogamandal on:‌​‍

Accepted Answer

Periyar — Periyar river.‌​‍

Answer

Chalakudy

Answer

Bharathapuzha

Answer

Muvattupuzha

Question 6

'Chemmeen' was written by:‌​‍

Accepted Answer

Thakazhi Sivasankara Pillai — Thakazhi Sivasankara Pillai wrote Chemmeen (1956), a classic novel about the fishing community of Kerala.‌​‍

Answer

Basheer

Answer

O.V. Vijayan

Answer

M.T. Vasudevan Nair

Question 7

Nipah outbreak 2023:‌​‍

Accepted Answer

Kozhikode — Kozhikode, September 2023.‌​‍

Answer

Ernakulam

Answer

TVM

Answer

Thrissur

Question 8

Vinegar contains:‌​‍

Accepted Answer

Acetic acid — Vinegar contains acetic acid (CH₃COOH). Lemon = citric acid. Stomach = HCl.‌​‍

Answer

HCl

Answer

Citric acid

Answer

Tartaric acid

Question 9

Poverty is a significant social problem with profound implications for community health. How does poverty primarily contribute to poor health outcomes in a community?

Accepted Answer

B. By limiting access to quality healthcare, nutritious food, and safe living conditions. — Poverty directly contributes to poor health outcomes by severely limiting individuals' and families' access to essential resources such as quality healthcare services, nutritious food, safe housing, and clean water and sanitation facilities. This often leads to higher rates of infectious diseases, malnutrition, and chronic conditions. Options A, C, and D describe scenarios that are generally antithetical to the realities of poverty or incorrect assumptions about its impact.

Answer

A. By increasing access to diverse nutritional food sources and clean water.

Answer

C. By fostering strong community bonds that negate the need for formal healthcare.

Answer

D. By promoting higher educational attainment, leading to better health literacy.

Question 10

Electronic configuration of Cr (Z=24):

Accepted Answer

[Ar] 3d⁵ 4s¹ — Half-filled d (3d⁵) is extra-stable. Cu similarly [Ar] 3d¹⁰ 4s¹ — exception to aufbau.

Answer

[Ar] 3d⁴ 4s²

Answer

[Ar] 3d⁶

Answer

[Ar] 4s² 4p⁴

Plus 2 Lecturer Mixed Practice Test #528